Analogies are a good spur for creativity, even if they have to be sanity-checked afterward. Someone who didn't already know that cockpits are sealed might consi

Analogies are a good spur for creativity, even if they have to be sanity-checked afterward. Someone who didn't already know that cockpits are sealed might consider it by relating hijacking to buffer overflows. Your own analogies both suggest that some way of binding "pilotability" to the actual pilot would be useful -- maybe a retinal scan or DNA check before activating the controls.